32506673 has 4 divisors (see below), whose sum is σ = 32584308. Its totient is φ = 32429040.

The previous prime is 32506619. The next prime is 32506723. The reversal of 32506673 is 37660523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37660523 = 257 ⋅146539.

It can be written as a sum of positive squares in 2 ways, for example, as 14799409 + 17707264 = 3847^2 + 4208^2 .

It is a cyclic number.

It is not a de Polignac number, because 32506673 - 2⁸ = 32506417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32506603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38186 + ... + 39027.

It is an arithmetic number, because the mean of its divisors is an integer number (8146077).

Almost surely, 2^32506673 is an apocalyptic number.

It is an amenable number.

32506673 is a deficient number, since it is larger than the sum of its proper divisors (77635).

32506673 is an equidigital number, since it uses as much as digits as its factorization.

32506673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77634.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 32506673 is about 5701.4623562732. The cubic root of 32506673 is about 319.1470547053.

The spelling of 32506673 in words is "thirty-two million, five hundred six thousand, six hundred seventy-three".